In addition to red light cameras and electronic speed traps, Consumer Reports warns drivers to watch out for police troopers who you might otherwise mistake for road surveyors. Apparently, some state troopers position themselves in otherwise quiet work zones with what Consumer Reports describes as "a speed-measuring device that resembles surveyor's equipment." In two Florida counties last year, this method (or trick depending on how you want to view it) helped the officers snag 88 speeders within four hours.

Of course, the only surefire method of avoiding that ticket is to stop speeding, but the CR post also details a few common misconceptions about when it's okay to ignore posted speed limits.